I believe your answer is D- Oil.
Answer:
Which of the following accurately describes southern society in the mid-1800s? Most white southerners were small farmers. ... The Southern economy was based on manufacturing and they needed slave labor to work in the factories. The Southern economy was based on agriculture and they used slave labor to work the farms.
Ellis Island was "a place where immigrants were <span>processed and evaluated for entry to the United States". Although some were sent back home, a majority of them were let in. </span>